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502mpi thermostat #

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Old 05-04-2009, 02:49 PM
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Default 502mpi thermostat #

Can I get regular thermostats for a 2000 502mpi from a parts store?
Whats the part #
Thanks
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Old 05-04-2009, 03:44 PM
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Thermostat - 18-3551 (142 Degree) Napa#/Seirra#
Thermostat - 807252T2 (160 Degree) (They can Cross Ref. this # to a 18-####)
Thermostat Gasket - 27-530451

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Old 05-04-2009, 03:45 PM
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it's item # 5 in this pic.
http://www.mercruiserparts.com/Show_...SING+%26+HOSES
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Old 05-04-2009, 04:12 PM
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Carquest cant cross that #??????????????
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Old 05-05-2009, 09:44 AM
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I cant pull that link up. I can find the 142 degree thermostat but is it okay to run in the boat instead of a 160?? No one can cross reference the mercruiser part#
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Old 05-05-2009, 09:57 AM
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No if it is a 160 deg. then you want to run that Stat. They will be able to Cross it @ the Store
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Old 05-05-2009, 10:00 AM
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Quote:
Originally Posted by brian18330 View Post
I cant pull that link up. I can find the 142 degree thermostat but is it okay to run in the boat instead of a 160?? No one can cross reference the mercruiser part#

Just order it from BAM

You'll want to run the right thermostat.

If you run the cooler stat, the ECM will see it running cool and dump extra fuel into it.
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Old 05-05-2009, 10:48 PM
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Just go buy merc Tstats?????? and make sure to get the correct merc gasket and use NO sealant. If you don't ahve the right gasket or you use sealant, you're temp guage won't work.
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Old 05-06-2009, 07:51 AM
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Sorry, I thought it was the same temp stat as the Carb'd 502s and 500EFI.

Last edited by Back4More; 05-06-2009 at 08:00 AM.
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